Curl grubs (forum)

Jeff starts with ...
Hi, i have curl grubs through my gardens and especially in my on ground compost. They are fat and white and im a bit worried about their effect on my plants. Could they live in some of the pots i have around.
Thankyou,
Jeff

Time: 30th March 2011 11:31pm

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Brendan says...
Hi Jeff,
Yes they could. Try some Lawn Grub & Beetle Killer.

Time: 31st March 2011 7:19am

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BJ says...
I've had them infest a lots-a-lemons tree I had in a pot. Horrible things! (both the larvae and the lotsa lemon trees!) It knocked it around pretty bad, but recovered. I only keep the tree now as a food source for the Orchid Swallowtail Butterfly larvae - they seem to much prefer it to any others I have...

In gorund, I've had a few very small lilly pillys apparently attacked badly, but anything established or close to established seems fairly safe...

Time: 31st March 2011 12:33pm

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About the Author Theposterformerlyknownas
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adamus says...
They are harmless to plants. They live in the soil. They can affect root systems, but only in massive quantities. You can use Condeez Crystals, , about 1 teaspoon to the watering can, and just water where you want them not to be. It cooks them in the soil, and doesn't affect other grubs or beetles.
They're good food for magpies, and even sparrows, which keep the green grubs under control on veggies.
The grub killer will kill all grubs, which is a little counterproductive, because then you need anti fungal spray to keep the fungal stuff under control, and then you need a root spray to keep the roots clear of fungus, because the beetles that control it are dead.

Time: 31st March 2011 1:45pm

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snottiegobble says...
These grubs are sometimes called cockchafers & they eat grass roots so when you see a big mob of ibises in a paddock after rain theyre eating grubs.
(farmers friends)

Time: 31st March 2011 2:30pm

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adamus says...
I won't ask the obvious, but I'm dying to.

Time: 31st March 2011 3:52pm

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John Mc says...
they also eat roots and leaves.

Time: 31st March 2011 3:56pm

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Jeff says...
Thankyou everyone for your suggestions. This website seems to be a wealth of information. I shall try some of your suggestions. Adamus, where can i purchase condeez crystals? Thankyou, jeff.

Time: 31st March 2011 6:50pm

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chris says...
Before you do, note that potassium permanganate (condy's crystals) are toxic to earthworms.

Time: 31st March 2011 9:24pm

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About the Author Chris
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adamus says...
It's only toxic at a high level, they usually survive more than the Curl grubs. You can usually buy it at a hardware store. I got mine from the Produce Store, but I live in a rural town. Sometimes it will kill the earthworms around where you put it, but they come back pretty quickly, and the curl grubs tend not to.

Time: 31st March 2011 10:32pm

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Jeff says...
Any other suggestions then chris? Adamus, where you said it cooks them could this affect plants? I accept some worms may be injured in the process.
Thankyou, jeff

Time: 31st March 2011 10:42pm

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chris says...
neem oil

Time: 1st April 2011 7:47am

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adamus says...
It just hurts the skin of the grubs, and kills them quite quickly. For them It's like being burnt to death, but I've never heard of plants being harmed. It seems to keep them away for about three years, but the earthworms are back quite quickly.
Never tried Neem Oil, but ti works for so many things, it wouldn't surprise me. Amazing stuff.

Time: 1st April 2011 8:13am

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Xiem says...
There is a biological nematode? control that gets in the gut of the grubs and kills them. Parks and gardens people use it but I don't know where one can buy it.

Time: 1st April 2011 11:08am

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adamus says...
I didn't know you could get it for underground grubs. The grub had to ingest the substance. Yates have a liquid version of it called "Success". There is also a powder version called DiPel. The liquid worked better for me, because it was easier to measure out the right dose. I use it on all stone fruit, tomatoes, even for coddling moth if you get the timing right. Works a treat for the dreaded white cabbage moth.

Time: 1st April 2011 12:11pm

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Julie says...
So Success is the same as Dipel? Interesting, as I have the same problem with measuring.

BTW, who deleted my silly remark to John Mc (re 'eats roots and leaves')? It was pretty harmless!

Time: 1st April 2011 9:52pm

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adamus says...
Yep. One is liquid, and one is powder.
BTW, it was pretty harmless. and funny.
I still haven't found out why they're called cockchafers. How do you irritate a Rooster.? Hmmmm?

Time: 1st April 2011 9:58pm

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John Mc says...
Ow, I missed it Julie, you've gotta be on the ball around here.

Time: 1st April 2011 10:05pm

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chris says...
No they are not the same. Read the labels properly and the MSDS.
Success uses the active ingredient Spinosad.
Dipel uses Bacillus thuringiensis or Bt for short.

Spinosad is highly toxic to bees. Bt is a much softer option. It's mode of action is specifically on the gut of caterpillars only. Doesn't work on anything else.
While Success is marketed as being derived from soil bacteria, the truth actually is that it's synthesized in a lab. It is NOT naturally occurring bar the disused rum distillery it was originally
found in.

Time: 1st April 2011 10:21pm

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adamus says...
Yeah, sorry about that. They have Nature's Way, the same as DiPel. It's a powder also. Looks like I'll just have to approximate with the powder from now on.
Thanks Chris, another lesson in not trusting big companies.

Time: 2nd April 2011 7:27am

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Funkyd says...
As Xiem says, nematodes are available and they are the best non-toxic control. They invade and kill the larvae in the soil which is what causes the most damage, and they break the life cycle. Also being biological they are harmless to other organisms such as worms etc.
They are available from www.ecogrow.com.au.


Time: 22nd April 2011 10:15am

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Hate grubs says...
Hello, am new to this forum and would like to know how to get rid of curl grubs in a lawns. My laws have been pretty miserable because of these grubs, small patches and tiny wholes everywhere. I used "all in one and Yates curl grubb products " but have no success so far! Can someone advise how and what's the best product available to get rid of these while grubs as I believe this is the right time to use? Cheers

Time: 14th September 2016 7:10pm

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Funkyd says...
The Yates product is more general and maybe not strong enough for the grubs you have especially if you are getting lawn damage this time of year. Beneficial nematodes are the best and safest option for controlling these grubs. If you can see the grubs near the surface now then you should be able to use them now. In Aust try Ecogrow

Time: 15th September 2016 8:25am

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John123john1 says...
I feel as if I have tried everything to rid my yard of grubs, but nothing seems to work.

I strongly prefer to use as few chemicals as possible from here https://stoppestinfo.com/358-how-to-get-rid-of-grubs.html, but I am willing to use almost anything at this point. The grubs have destroyed my yard. When I dig up the dead spots, I find no fewer than a dozen grubs per square foot.

I treated my yard with Grub-Ex for three years, but still had a massive grub problem. Last year, I put down milky spore (and did it EXACTLY as directed). I know it takes time to work, but my grub issue is worse than it has ever been. I don't want to mess up the milky spore by putting down more Grub-Ex, but I am desperate at this point. My yard is growing more and more brown spots by the day.

What do you suggest at this point?


Time: 12th September 2017 4:36am

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Easternquoll says...
Absolutely the best way to get rid of them is by watering with a solution that contains live nematodes that kill the grubs. This a CSIRO developed product, normally used on sporting fields etc because it is non-toxic and harmless to people playing sport on the grass. I prefer it also for the backyard because my kids run around barefoot all the time -- for that reason I prefer the much more therapeutic &quote;mechanical&quote; means of getting rid of bindiis rather than poisoning them. Nematodes are available from a company called ECOGROW

Time: 22nd October 2018 3:46pm

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GrubMan says...
I recently moved one of my veggie gardens to find 50 - 60 of these grubs in the soil. I picked out the ones I found and am keeping them in a container for now, but I'm wondering what to do with them.

Can I just leave them and let the magpies get them, or should I put something in the soil that gets rid of them quicker. Purely a discussion about humane disposal

Time: 16th September 2019 5:07pm

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Julie says...
Mmm, don't know about humane, but I put snails in a container with a lid and leave for a couple of months. They make excellent fertiliser. I would do the same with the grubs.

Time: 17th September 2019 7:44pm

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